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Merge pull request #1108 from mvanhorn/perf/throttle-scroll-handlers

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perf: throttle scroll handlers with requestAnimationFrame
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Rohan Verma 2026-04-03 08:06:25 -07:00 • committed by GitHub
commit d8231c2002
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3 changed files with 42 additions and 9 deletions
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17
surfsense_web/components/assistant-ui/thread.tsx
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@ -817,12 +817,23 @@ const ComposerAction: FC<ComposerActionProps> = ({ isBlockedByOtherUser = false
const isDesktop = useMediaQuery("(min-width: 640px)");
const { openDialog: openUploadDialog } = useDocumentUploadDialog();
const [toolsScrollPos, setToolsScrollPos] = useState<"top" | "middle" | "bottom">("top");
const toolsRafRef = useRef<number>();
const handleToolsScroll = useCallback((e: React.UIEvent<HTMLDivElement>) => {
const el = e.currentTarget;
const atTop = el.scrollTop <= 2;
const atBottom = el.scrollHeight - el.scrollTop - el.clientHeight <= 2;
setToolsScrollPos(atTop ? "top" : atBottom ? "bottom" : "middle");
if (toolsRafRef.current) return;
toolsRafRef.current = requestAnimationFrame(() => {
const atTop = el.scrollTop <= 2;
const atBottom = el.scrollHeight - el.scrollTop - el.clientHeight <= 2;
setToolsScrollPos(atTop ? "top" : atBottom ? "bottom" : "middle");
toolsRafRef.current = undefined;
});
}, []);
useEffect(
() => () => {
if (toolsRafRef.current) cancelAnimationFrame(toolsRafRef.current);
},
[]
);
const isComposerTextEmpty = useAuiState(({ composer }) => {
const text = composer.text?.trim() || "";
return text.length === 0;